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PHOTO: TMZ.COM

 

Tyga & Blac Chyna's engagement is OFF! & sources say he's the one who broke up with her!

It's not clear right now the reason, but they say Blac Chyna is still in denial & still has some of her belongings. The

They got together in 2011, engagement in December 2012.  They have a son -- King Cairo -- who turns two in October.